Extract Images from PDF by Linux Command Line

Before extracting images from PDF files using the Linux command line, you must install some required packages. Below is the guide to help you get started:Open a terminal window: Press Ctrl+Alt+T on your keyboard to open a terminal window.Install the required packages: Type the following command in the terminal to install the necessary packages: Sudo apt-get install poppler-utilsThis command will install Poppler, a set of utilities for working with PDF files, including the pdf images tool we will use to extract images.Check if the installation was successful: To check if the installation was successful, type the following command in the terminal:Pdf images -vIf the installation was successful, this command should display the version number of the pdf images tool. The following section will discuss identifying image locations within a PDF file.Before extracting images from a PDF file using the Linux command line, you must identify the image locations within the file. An outline for getting started is provided below:Open a terminal window: Press Ctrl+Alt+T on your keyboard to open a terminal window.Navigate to the directory containing the PDF file: Use the cd command to navigate to the directory containing the PDF file you want to extract images from. For example, if the file is located in the Documents folder, you would type: cd DocumentsIdentify the image locations: Use the pdf images command to identify the locations of the images within the PDF file. Type the following command in the terminal: Pdf images -list filename.pdfReplace filename.pdf with the name of the PDF file you want to extract images from. This command will display a list of all the images in the PDF file and their location coordinates.Note down the location coordinates: Note the X and Y coordinates of the image you want to extract.Now that you have identified the image locations within the PDF file using the Linux command line, you can extract the images using the pdf images command. Follow the below steps to learn how to do so:Open a terminal window: Press Ctrl+Alt+T on your keyboard to open a terminal window.Navigate to the directory containing the PDF file like the previous section.Extract the images: Use the pdf images command to extract the images from the PDF file. Type the following command in the terminal: pdf images -f page_number -l page_number -j filename.pdf image_prefix– Replace page_number with the page number of the PDF file where the image is located. – Replace filename.pdf with the name of the PDF file you want to extract images from and replace image_prefix with the prefix you want to use for the extracted images.Check the extracted images: Navigate to the directory where you extracted them and verify that they were extracted successfully.Once you have successfully extracted the images from the PDF file using the Linux command line, save them in the desired format. Here is a step-by-step guide to help you save the extracted images in your desired format:Open a terminal window: Press Ctrl+Alt+T on your keyboard to open a terminal window.Navigate to the directory containing the extracted images: Use the cd command to navigate to the directory containing the extracted images. For example, if the images were extracted to the Pictures folder, you would type: cd PicturesConvert the images: Use the convert command to convert the extracted images to your desired format. For example, to convert the images to JPEG format, type the following command in the terminal: convert image_prefix-*.ppm output.jpgReplace image_prefix with the prefix you used for the extracted images.That’s it! Using the Linux command line, you have successfully extracted and saved images from a PDF file in your desired format.